From: John Ferlan <jferlan@redhat.com> To: Paolo Bonzini <pbonzini@redhat.com>, Kirti Wankhede <kwankhede@nvidia.com>, Michal Privoznik <mprivozn@redhat.com>, Alex Williamson <alex.williamson@redhat.com> Cc: "Song, Jike" <jike.song@intel.com>, "cjia@nvidia.com" <cjia@nvidia.com>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "libvir-list@redhat.com" <libvir-list@redhat.com>, "Tian, Kevin" <kevin.tian@intel.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "kraxel@redhat.com" <kraxel@redhat.com>, Laine Stump <laine@redhat.com>, "bjsdjshi@linux.vnet.ibm.com" <bjsdjshi@linux.vnet.ibm.com> Subject: Re: [libvirt] [Qemu-devel] [PATCH v7 0/4] Add Mediated device support Date: Sat, 3 Sep 2016 07:57:22 -0400 [thread overview] Message-ID: <dd7b3fc0-34c6-7f10-30d5-88c47a37b353@redhat.com> (raw) In-Reply-To: <22097a95-21c6-3aec-f0ff-717181a705f8@redhat.com> >>> After creating the vGPU, if required by the host driver, all the other >>> type ids would disappear from "virsh nodedev-dumpxml pci_0000_86_00_0" too. >> >> Not wanting to make assumptions, but this reads as if I create one type >> 11 vGPU, then I can create no others on the host. Maybe I'm reading it >> wrong - it's been a long week. > > Correct, at least for NVIDIA. > OK, but so what am I missing vis-a-vis the groups conversation? Sounds like multiple vGPU's are being combined, but if only one can be created. I think this is where I got confused while reading... >> PCI devices have the "managed='yes|no'" attribute as well. That's what >> determines whether the device is to be detached from the host or not. >> That's been something very painful to manage for vfio and well libvirt! > > mdevs do not exist on the host (they do not have a driver on the host > because they are not PCI devices) so they do need any management. At > least I hope that's good news. :) > Laine was more eloquent than I on this... John
WARNING: multiple messages have this Message-ID (diff)
From: John Ferlan <jferlan@redhat.com> To: Paolo Bonzini <pbonzini@redhat.com>, Kirti Wankhede <kwankhede@nvidia.com>, Michal Privoznik <mprivozn@redhat.com>, Alex Williamson <alex.williamson@redhat.com> Cc: "Song, Jike" <jike.song@intel.com>, "cjia@nvidia.com" <cjia@nvidia.com>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "libvir-list@redhat.com" <libvir-list@redhat.com>, "Tian, Kevin" <kevin.tian@intel.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "kraxel@redhat.com" <kraxel@redhat.com>, Laine Stump <laine@redhat.com>, "bjsdjshi@linux.vnet.ibm.com" <bjsdjshi@linux.vnet.ibm.com> Subject: Re: [Qemu-devel] [libvirt] [PATCH v7 0/4] Add Mediated device support Date: Sat, 3 Sep 2016 07:57:22 -0400 [thread overview] Message-ID: <dd7b3fc0-34c6-7f10-30d5-88c47a37b353@redhat.com> (raw) In-Reply-To: <22097a95-21c6-3aec-f0ff-717181a705f8@redhat.com> >>> After creating the vGPU, if required by the host driver, all the other >>> type ids would disappear from "virsh nodedev-dumpxml pci_0000_86_00_0" too. >> >> Not wanting to make assumptions, but this reads as if I create one type >> 11 vGPU, then I can create no others on the host. Maybe I'm reading it >> wrong - it's been a long week. > > Correct, at least for NVIDIA. > OK, but so what am I missing vis-a-vis the groups conversation? Sounds like multiple vGPU's are being combined, but if only one can be created. I think this is where I got confused while reading... >> PCI devices have the "managed='yes|no'" attribute as well. That's what >> determines whether the device is to be detached from the host or not. >> That's been something very painful to manage for vfio and well libvirt! > > mdevs do not exist on the host (they do not have a driver on the host > because they are not PCI devices) so they do need any management. At > least I hope that's good news. :) > Laine was more eloquent than I on this... John
next prev parent reply other threads:[~2016-09-03 11:57 UTC|newest] Thread overview: 162+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-25 3:53 [PATCH v7 0/4] Add Mediated device support Kirti Wankhede 2016-08-25 3:53 ` [Qemu-devel] " Kirti Wankhede 2016-08-25 3:53 ` [PATCH v7 1/4] vfio: Mediated device Core driver Kirti Wankhede 2016-08-25 3:53 ` [Qemu-devel] " Kirti Wankhede 2016-09-08 8:09 ` Jike Song 2016-09-08 8:09 ` [Qemu-devel] " Jike Song 2016-09-08 9:38 ` Neo Jia 2016-09-08 9:38 ` [Qemu-devel] " Neo Jia 2016-09-09 6:26 ` Jike Song 2016-09-09 6:26 ` [Qemu-devel] " Jike Song 2016-09-09 17:48 ` Kirti Wankhede 2016-09-09 17:48 ` [Qemu-devel] " Kirti Wankhede 2016-09-09 18:42 ` Alex Williamson 2016-09-09 18:42 ` [Qemu-devel] " Alex Williamson 2016-09-09 19:55 ` Kirti Wankhede 2016-09-09 19:55 ` [Qemu-devel] " Kirti Wankhede 2016-09-12 5:10 ` Jike Song 2016-09-12 5:10 ` [Qemu-devel] " Jike Song 2016-09-12 7:49 ` Kirti Wankhede 2016-09-12 7:49 ` [Qemu-devel] " Kirti Wankhede 2016-09-12 15:53 ` Alex Williamson 2016-09-12 15:53 ` [Qemu-devel] " Alex Williamson 2016-09-19 7:08 ` Jike Song 2016-09-19 7:08 ` [Qemu-devel] " Jike Song 2016-09-19 17:29 ` Kirti Wankhede 2016-09-19 17:29 ` [Qemu-devel] " Kirti Wankhede 2016-09-19 18:11 ` Alex Williamson 2016-09-19 18:11 ` [Qemu-devel] " Alex Williamson 2016-09-19 20:09 ` Kirti Wankhede 2016-09-19 20:09 ` [Qemu-devel] " Kirti Wankhede 2016-09-19 20:59 ` Alex Williamson 2016-09-20 12:48 ` Jike Song 2016-09-20 12:48 ` [Qemu-devel] " Jike Song 2016-08-25 3:53 ` [PATCH v7 2/4] vfio: VFIO driver for mediated devices Kirti Wankhede 2016-08-25 3:53 ` [Qemu-devel] " Kirti Wankhede 2016-08-25 9:22 ` Dong Jia 2016-08-25 9:22 ` [Qemu-devel] " Dong Jia 2016-08-26 14:13 ` Kirti Wankhede 2016-08-26 14:13 ` [Qemu-devel] " Kirti Wankhede 2016-09-08 2:38 ` Jike Song 2016-09-08 2:38 ` [Qemu-devel] " Jike Song 2016-09-19 18:22 ` Kirti Wankhede 2016-09-19 18:22 ` Kirti Wankhede 2016-09-19 18:36 ` Alex Williamson 2016-09-19 18:36 ` Alex Williamson 2016-09-19 19:13 ` Kirti Wankhede 2016-09-19 19:13 ` Kirti Wankhede 2016-09-19 20:03 ` Alex Williamson 2016-09-19 20:03 ` Alex Williamson 2016-09-20 2:50 ` Jike Song 2016-09-20 16:24 ` Alex Williamson 2016-09-21 3:19 ` Jike Song 2016-09-21 4:51 ` Alex Williamson 2016-09-21 5:02 ` Jike Song 2016-09-08 2:45 ` Jike Song 2016-09-08 2:45 ` [Qemu-devel] " Jike Song 2016-09-13 2:35 ` Jike Song 2016-09-13 2:35 ` [Qemu-devel] " Jike Song 2016-09-20 5:48 ` Dong Jia Shi 2016-09-20 5:48 ` [Qemu-devel] " Dong Jia Shi 2016-09-20 6:37 ` Jike Song 2016-09-20 6:37 ` [Qemu-devel] " Jike Song 2016-09-20 12:53 ` Jike Song 2016-09-20 12:53 ` [Qemu-devel] " Jike Song 2016-08-25 3:53 ` [PATCH v7 3/4] vfio iommu: Add support " Kirti Wankhede 2016-08-25 3:53 ` [Qemu-devel] " Kirti Wankhede 2016-08-25 7:29 ` Dong Jia 2016-08-25 7:29 ` [Qemu-devel] " Dong Jia 2016-08-26 13:50 ` Kirti Wankhede 2016-08-26 13:50 ` [Qemu-devel] " Kirti Wankhede 2016-09-29 2:17 ` Jike Song 2016-09-29 2:17 ` [Qemu-devel] " Jike Song 2016-09-29 15:06 ` Kirti Wankhede 2016-09-29 15:06 ` [Qemu-devel] " Kirti Wankhede 2016-09-30 2:58 ` Jike Song 2016-09-30 2:58 ` [Qemu-devel] " Jike Song 2016-09-30 3:10 ` Jike Song 2016-09-30 3:10 ` [Qemu-devel] " Jike Song 2016-09-30 11:44 ` Kirti Wankhede 2016-09-30 11:44 ` [Qemu-devel] " Kirti Wankhede 2016-10-08 7:09 ` Jike Song 2016-10-08 7:09 ` [Qemu-devel] " Jike Song 2016-08-25 3:53 ` [PATCH v7 4/4] docs: Add Documentation for Mediated devices Kirti Wankhede 2016-08-25 3:53 ` [Qemu-devel] " Kirti Wankhede 2016-09-03 16:40 ` Kirti Wankhede 2016-09-03 16:40 ` [Qemu-devel] " Kirti Wankhede 2016-08-30 16:16 ` [PATCH v7 0/4] Add Mediated device support Alex Williamson 2016-08-30 16:16 ` [Qemu-devel] " Alex Williamson 2016-08-31 6:12 ` Tian, Kevin 2016-08-31 6:12 ` [Qemu-devel] " Tian, Kevin 2016-08-31 7:04 ` Jike Song 2016-08-31 7:04 ` [Qemu-devel] " Jike Song 2016-08-31 15:48 ` Alex Williamson 2016-08-31 15:48 ` [Qemu-devel] " Alex Williamson 2016-09-01 4:09 ` Tian, Kevin 2016-09-01 4:09 ` [Qemu-devel] " Tian, Kevin 2016-09-01 4:10 ` Tian, Kevin 2016-09-01 4:10 ` [Qemu-devel] " Tian, Kevin 2016-09-01 18:22 ` Kirti Wankhede 2016-09-01 18:22 ` [Qemu-devel] " Kirti Wankhede 2016-09-01 20:01 ` Alex Williamson 2016-09-01 20:01 ` [Qemu-devel] " Alex Williamson 2016-09-02 6:17 ` Kirti Wankhede 2016-09-02 6:17 ` [Qemu-devel] " Kirti Wankhede 2016-09-01 16:47 ` Michal Privoznik 2016-09-01 16:59 ` Alex Williamson 2016-09-01 16:59 ` [Qemu-devel] " Alex Williamson 2016-09-02 4:48 ` Michal Privoznik 2016-09-02 5:21 ` Kirti Wankhede 2016-09-02 10:05 ` Paolo Bonzini 2016-09-02 17:15 ` Kirti Wankhede 2016-09-02 17:25 ` Paolo Bonzini 2016-09-02 18:33 ` Kirti Wankhede 2016-09-02 20:29 ` [libvirt] " John Ferlan 2016-09-02 20:29 ` [Qemu-devel] [libvirt] " John Ferlan 2016-09-03 16:31 ` Kirti Wankhede 2016-09-03 16:31 ` [Qemu-devel] " Kirti Wankhede 2016-09-06 17:54 ` [libvirt] [Qemu-devel] " Alex Williamson 2016-09-06 17:54 ` [Qemu-devel] [libvirt] " Alex Williamson 2016-09-02 21:48 ` [Qemu-devel] " Paolo Bonzini 2016-09-03 11:56 ` [libvirt] " John Ferlan 2016-09-03 11:56 ` [Qemu-devel] [libvirt] " John Ferlan 2016-09-03 13:07 ` [libvirt] [Qemu-devel] " Paolo Bonzini 2016-09-03 13:07 ` [Qemu-devel] [libvirt] " Paolo Bonzini 2016-09-03 17:47 ` Kirti Wankhede 2016-09-03 17:47 ` [Qemu-devel] " Kirti Wankhede 2016-09-03 16:34 ` [Qemu-devel] " Kirti Wankhede 2016-09-06 17:40 ` Alex Williamson 2016-09-06 19:35 ` Kirti Wankhede 2016-09-06 21:28 ` Alex Williamson 2016-09-07 8:22 ` Tian, Kevin 2016-09-07 8:22 ` Tian, Kevin 2016-09-07 16:00 ` Alex Williamson 2016-09-07 16:15 ` Kirti Wankhede 2016-09-07 16:44 ` Alex Williamson 2016-09-07 18:06 ` Kirti Wankhede 2016-09-07 22:13 ` Alex Williamson 2016-09-08 18:48 ` Kirti Wankhede 2016-09-08 20:51 ` Alex Williamson 2016-09-07 18:17 ` Neo Jia 2016-09-07 18:27 ` Daniel P. Berrange 2016-09-07 18:32 ` Neo Jia 2016-09-07 6:48 ` Tian, Kevin 2016-09-07 6:48 ` Tian, Kevin 2016-09-02 20:19 ` [libvirt] " John Ferlan 2016-09-02 20:19 ` [Qemu-devel] [libvirt] " John Ferlan 2016-09-02 21:44 ` [libvirt] [Qemu-devel] " Paolo Bonzini 2016-09-02 21:44 ` [Qemu-devel] [libvirt] " Paolo Bonzini 2016-09-02 23:57 ` [libvirt] [Qemu-devel] " Laine Stump 2016-09-02 23:57 ` [Qemu-devel] [libvirt] " Laine Stump 2016-09-03 16:49 ` [libvirt] [Qemu-devel] " Kirti Wankhede 2016-09-03 16:49 ` [Qemu-devel] [libvirt] " Kirti Wankhede 2016-09-05 7:52 ` [libvirt] [Qemu-devel] " Paolo Bonzini 2016-09-05 7:52 ` [Qemu-devel] [libvirt] " Paolo Bonzini 2016-09-03 11:57 ` John Ferlan [this message] 2016-09-03 11:57 ` John Ferlan 2016-09-05 7:54 ` [libvirt] [Qemu-devel] " Paolo Bonzini 2016-09-05 7:54 ` [Qemu-devel] [libvirt] " Paolo Bonzini 2016-09-02 17:55 ` [libvirt] [Qemu-devel] " Laine Stump 2016-09-02 17:55 ` [Qemu-devel] [libvirt] " Laine Stump 2016-09-02 19:15 ` Alex Williamson 2016-09-02 19:15 ` [Qemu-devel] " Alex Williamson
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